Board of wireless frequency for amplification of transmitting and receiving electric wave



FIG. 1 is a perspective view of a board of wireless frequency foramplification of transmitting and receiving electric wave;

FIG. 2 is a plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a front view thereof.

The ornamental design for a board of wireless frequency foramplification of transmitting and receiving electric wave, as shown anddescribed.